From Planck Data to Planck Era: Observational Tests of Holographic Cosmology

Niayesh Afshordi, Claudio Corianò, Luigi Delle Rose, Elizabeth Gould, and Kostas Skenderis
Phys. Rev. Lett. 118, 041301 – Published 27 January 2017

http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.041301